"An object of mass m is hanging by a string from the ceiling of an elevator. The elevator is movingupward, but slowing down. What is the tension in the string?"less than mgexactly mggreater than mgzero

We know that the acceleration of the elevator will ultimately affect the tension in the string.…

Answered: "An object of mass m is hanging by a…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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An elevator is moving upward with a constant acceleration of 1.2 m/s^2. An object with mass 10. kg is hanging from the ceiling of the elevator on a string. What is the tension on the string in N? * O 56 92 98 110
Question 4
A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.7 m/s2. (a) If the tension in the cord is 63 N, what is the lamp's mass? (b) What is the cord's tension when the elevator ascends with an upward acceleration of 1.7 m/s2?
Consider a person standing on a scale in an elevator. If the elevator accelerates upwards with an acceleration of 1.27 m/s2 and the person has a mass of 79.2 kg, what would the scale read? HINT: you need to take into account the acceleration due to gravity, as well as that of the elevator.
An elevator cab that weighs 20.8 kN moves upward. What is the tension in the cable if the cab's speed is (a) increasing at a rate of 1.10 m/s2 and (b) decreasing at a rate of 1.10 m/s2?
A 5.0 kg mass is attached to the ceiling of an elevator by a rope whose mass is negligible. What force does the mass exert on the rope when the elvator has an acceleration of 4.0 m/s2 upward?
Sphere A is attached to the ceiling of an elevator by a string. A second sphere is attached to the first one by a second string. Both strings are of negligible mass. Here m₁ = m₂ = m = 3.67 kg. = = T₁ m₁ (a) The elevator starts from rest and accelerates downward with a = 1.35 m/s². What are the tensions in the two strings in newtons? T₁ N N T2 = T₂ m₂ (b) If the elevator moves upward instead with the same acceleration what will be the tension in the two strings in newtons? Т1 T2 N N (c) The maximum tension the two strings can withstand is 89.8 N. What maximum upward acceleration (in m/s2) can the elevator have without having one of the strings break? m/s²
Consider a person standing on a scale in an elevator. If the elevator accelerates upwards with an acceleration of 1.47 m/s2 and the person has a mass of 98.1 kg, what would the scale read? HINT: you need to take into account the acceleration due to gravity, as well as that of the elevator.
An elevator is moving upward at a constant speed, pulled by the cable it is attached to. What forces are acting on the elevator? The weight, the force of gravity, and the tension The weight and the tension force The weight, the normal force, and the tension force The weight and the normal force Only the weight
A mass of 2.0 kg is suspended from the ceiling of an elevator by a rope. What is the tension in the rope when the elevator (i) accelerates upward at 1.5 m/s2 ? (ii) accelerates downward at 1.5 m/s2 ? a. (i) 22.6 N; (ii) 16.6 N b. Because the mass is hanging from the elevator itself, the tension in the rope will not change in either case. c. (i) 22.6 N; (ii) 19.6 N d. (i) 16.6 N; (ii) 19.6 N
The tension in a string from which a 6.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator? Question 12 options: 14 m/s2 upward 15 m/s2 downward 11 m/s2 downward 2.4 m/s2 downward 12 m/s2 upward
A 74.1-kg crate is suspended between the floor and the ceiling using two spring scales, one attached to the ceiling and one to the floor. If the lower scale reads 120 N, what is the reading of the upper scale? Ignore the weights of the scales.

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"An object of mass m is hanging by a string from the ceiling of an elevator. The elevator is moving upward, but slowing down. What is the tension in the string?" less than mg exactly mg greater than mg zero

Expert Answers to Latest Homework Questions